The Rocky Mountain National Park has plenty to offer visitors. Between pristine views and unbelievable photo opportunities (there's a reason the silhouette of those mountains has become famous) you can probably stand in any part of the park and spend hours just soaking it all in.

For the best winter landscapes, take on snowy trails like Mazama Ridge in Washington or the Gorham Mountain Loop in Maine. Head to the Watchman Trail in Zion National Park to take advantage of Utah's trails in cooler temperatures. Hike Oregon's Cape Falcon Trail for a good chance of seeing gray whales in the winter.

The Rab Nitron 25L hiking daypack borrows its design philosophy from running packs, but is it a move that pays dividends on the mountain? We find out

With proper shoes, a good amount of water and comfortable clothes, these five hikes (listed from easiest to most challenging) are feasible for any beginner looking to explore the desert trails in metro Phoenix. McDowell Mountain Regional Park lets hikers feel very far away from the city.